(19) |
 |
|
(11) |
EP 0 632 091 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
|
24.01.1996 Bulletin 1996/04 |
(43) |
Date of publication A2: |
|
04.01.1995 Bulletin 1995/01 |
(22) |
Date of filing: 24.06.1994 |
|
|
(84) |
Designated Contracting States: |
|
BE DE FR GB IT NL |
(30) |
Priority: |
30.06.1993 US 85717 13.05.1994 US 239230
|
(71) |
Applicant: MONTELL NORTH AMERICA INC. |
|
Wilmington
Delaware 19850-5439 (US) |
|
(72) |
Inventor: |
|
- Syed, Abuzar
Bear,
Delaware 19701 (US)
|
(74) |
Representative: Fuchs, Luderschmidt & Partner
Patentanwälte |
|
Postfach 46 60 65036 Wiesbaden 65036 Wiesbaden (DE) |
|
|
|
(54) |
Sorbitol derivatives as nucleators and clarifiers for polyolefins, and polyolefin
compositions obtained therewith |
(57) Disclosed are certain 1,3-2,4-di(substituted arylidene)-and 1,3-2,4-di(substituted
heteroarylidene)-D-sorbitols which are useful as clarifying and nucleating additives
for crystalline and semi-crystalline polyolefin compositions. Also disclosed are such
poly(C₁-C₈ alpha olefin) compositions containing them.